Artículo
Relationships between geomorphological features and groundwater geochemistry in the upper and middle basin of Las Peñas stream, Pampean Mountains, Córdoba. Argentina
Pramparo, Santiago Javier
; Blarasin, Mónica Teresa; Currell, M.; Degiovanni, Susana Beatriz; Bécher Quinodóz, Fátima Noelia
; Lutri, Veronica Florencia
; Eric, C.; Giacobone, Daniela Beatriz
; Cabrera, A.
Fecha de publicación:
06/2022
Editorial:
Springer
Revista:
Environmental Earth Sciences
ISSN:
1866-6299
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Las Peñas stream basin, located in the Pampean Mountains of Cordoba (Argentina), has specific groundwater features which are of great interest for the local socioeconomic activities. The objective of this work is to define the geomorphological characteristics of the basin and interpret their influence on hydrogeological processes, emphasizing hydrodynamic and hydrogeochemical aspects. Groundwater flow in the unconfined aquifer has developed in both sediments and fractured rocks. The groundwater is fresh with electrical conductivities between 586 µS/cm and 2000 µS/cm, although there are localized samples in the piedmont of brackish type (up to 3900 µS/cm). Sampled groundwaters are almost entirely of calcium and sodium bicarbonate geochemical type, with local occurrence of mixed type (sodium-calcium bicarbonate and sodium bicarbonate-sulfate) waters. Taking into account geomorphological and lithological features, both groundwater flow and hydrochemical aspects are linked with the main geomorphological environments: a relict paleosurface with a sedimentary cover, a rocky dissected paleosurface with filled valleys and the sedimentary piedmont. It was interpreted that groundwater geochemistry is mainly linked to input from precipitation and weathering of silicates. Dissolution of carbonates and cation exchange processes contribute to the observed groundwater chemistry especially in the relict paleosurface and piedmont.
Palabras clave:
GEOMORPHOLOGY
,
GROUNDWATER CHEMISTRY
,
HYDROGEOLOGY
,
SILICATE WEATHERING
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Citación
Pramparo, Santiago Javier; Blarasin, Mónica Teresa; Currell, M.; Degiovanni, Susana Beatriz; Bécher Quinodóz, Fátima Noelia; et al.; Relationships between geomorphological features and groundwater geochemistry in the upper and middle basin of Las Peñas stream, Pampean Mountains, Córdoba. Argentina; Springer; Environmental Earth Sciences; 81; 12; 6-2022; 1-16
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